According to strict rules this would be a comma splice, but in my opinion such use of a comma to separate contrasting phrases is acceptable, especially in a sentence that feels conversational.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Anonymous"Maybe I deserve what’s coming, maybe I don’t."Many writers would use this punctuation, but a semi-colon is more appropriate in my opinion.